package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstrainValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for(int i=0;i<vals.length;i++){
            this.set.add(vals[i]);
        }
    }

    //判断是否校验成功
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return this.set.contains(value);
    }
}
